AskDefine | Define add

Dictionary Definition

ADD n : a condition (mostly in boys) characterized by behavioral and learning disorders [syn: attention deficit disorder, attention deficit hyperactivity disorder, ADHD, hyperkinetic syndrome, minimal brain dysfunction, minimal brain damage, MBD]


1 make an addition (to); join or combine or unite with others; increase the quality, quantity, zise or scope of; "We added two students to that dorm room"; "She added a personal note to her letter"; "Add insult to injury"; "Add some extra plates to the dinner table" [ant: take away]
2 state or say further; "`It doesn't matter,' he supplied" [syn: append, supply]
3 bestow a quality on; "Her presence lends a certain cachet to the company"; "The music added a lot to the play"; "She brings a special atmosphere to our meetings"; "This adds a light note to the program" [syn: lend, impart, bestow, contribute, bring]
4 make an addition by combining numbers; "Add 27 and 49, please!" [syn: add together] [ant: subtract]
5 determine the sum of; "Add all the people in this town to those of the neighboring town" [syn: total, tot, tot up, sum, sum up, summate, tote up, add together, tally, add up]
6 constitute an addition; "This paper will add to her reputation"

User Contributed Dictionary

see ADD



addere; ad + dare to give, put. Compare date, do.



  1. (computer and video games) An additional enemy not the primary target in a fight.


  1. To give by way of increased possession (to any one); to bestow (on).
    • The Lord shall add to me another son. - Genesis, 30:24
  2. To join or unite, as one thing to another, or as several particulars, so as to increase the number, augment the quantity, enlarge the magnitude, or so as to form into one aggregate. Hence: To sum up; to put together mentally; as, to add numbers; to add up a column.
    • Back to thy punishment, False fugitive, and to thy speed add wings. - John Milton
    • As easily as he can add together the ideas of two days or two years. - John Locke
  3. To append, as a statement; to say further.
    • He added that he would willingly consent to the entire abolition of the tax. - William Macaulay
  4. To make an addition. To add to, to augment; to increase; as, it adds to our anxiety.
    • I will add to your yoke. - 1 Kings 12:14
  5. To perform the arithmetical operation of addition; as, he adds rapidly.

Usage notes

  • We add by bringing things together so as to form a whole.
  • We join by putting one thing to another in close or continuos connection.
  • We annex by attaching some adjunct to a larger body.
  • We unite by bringing things together so that their parts adhere or intermingle.
  • Things coalesce by coming together or mingling so as to form one organization.
  • To add quantities; to join houses; to annex territory; to unite kingdoms; to make parties coalesce


to append, as a statement
to make an addition
to perform the arithmetical operation of addition


Extensive Definition

ADD is a three-letter acronym that may refer to:
add in German: ADD
add in Esperanto: ADD
add in French: ADD
add in Korean: ADD
add in Italian: ADD
add in Japanese: ADD
add in Polish: ADD
add in Portuguese: DDA
add in Kölsch: ADD (Watt ėßß datt?)
add in Finnish: ADD

Synonyms, Antonyms and Related Words

adjoin, affix, agglutinate, algebraize, amalgamate, annex, append, assimilate, attach, augment, blend, burden, calculate, cast, cipher, clutter, coalesce, combine, come together, complicate, compound, comprise, compute, conjoin, connect, consolidate, cumber, decorate, divide, dope out, embody, encompass, encumber, enlarge, estimate, extract roots, fasten, figure, figure in, figure out, flux, foot, fuse, glue on, hitch on, include, incorporate, increase, infix, integrate, interblend, interfuse, join, join with, lump together, make one, measure, meld, melt into one, merge, mix, multiply, ornament, paste on, plus, postfix, prefix, put together, put with, reckon, reembody, roll into one, saddle, saddle with, score, shade into, slap on, solidify, subjoin, subtract, suffix, sum, summate, superadd, superimpose, superpose, syncretize, syndicate, synthesize, tack on, tag, tag on, take account of, take on, tally, tot, total, tote, unify, unite, unite with, work out
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